Home / 51,486.66-77,215.08-15,461.67

Finding the Fourth Proportional to 51,486.66, 77,215.08 and 15,461.67

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Solution

The fourth proportional to 51,486.66, 77,215.08 and 15,461.67 is: 23,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.66 : 77,215.08 = 15,461.67 : x
  2. Step 2: Convert to fraction form
    51,486.66/77,215.08 = 15,461.67/x
  3. Step 3: Cross multiply
    51,486.66x = 77,215.08 × 15,461.67
  4. Step 4: Simplify right side
    51,486.66x = 1,193,873,835.08
  5. Step 5: Solve for x
    x = 1,193,873,835.08/51,486.66
  6. Step 6: Final answer
    x = 23,188.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.